1. Organic Solvents:
* Alcohols: Ethanol (drinking alcohol), methanol, isopropanol (rubbing alcohol)
* Ketones: Acetone (nail polish remover), methyl ethyl ketone (MEK)
* Ethers: Diethyl ether, tetrahydrofuran (THF)
* Esters: Ethyl acetate, methyl acetate
* Hydrocarbons: Hexane, toluene, benzene (toxic and carcinogenic)
* Aromatic Hydrocarbons: Toluene, xylene
* Halogenated Hydrocarbons: Dichloromethane (methylene chloride), chloroform, tetrachloroethylene (dry cleaning solvent)
2. Inorganic Solvents:
* Ammonia: Used in some industrial processes
* Liquid Sulfur Dioxide: Used in some chemical reactions
* Liquid Carbon Dioxide: Used in some industrial processes and as a decaffeination agent
* Hydrogen Fluoride: Used in the production of certain plastics and refrigerants
* Hydrogen Chloride: Used in the production of hydrochloric acid
3. Specialty Solvents:
* Ionic Liquids: Salt-based liquids with very low vapor pressures.
* Supercritical Fluids: Fluids above their critical temperature and pressure, like supercritical carbon dioxide, which can be used for extraction and other processes.
Important Considerations:
* Solubility: Solvents are chosen based on their ability to dissolve specific substances (like "like dissolves like"). For example, water is a good solvent for polar molecules like sugar, while hexane is good for dissolving non-polar molecules like fats.
* Safety: Many solvents are flammable, toxic, or carcinogenic. Always handle solvents with caution and follow proper safety protocols.
* Environmental Impact: Some solvents are harmful to the environment and can contribute to pollution. Consider eco-friendly alternatives whenever possible.
Remember: The specific solvent used depends on the application and the properties of the substance being dissolved.